Interdisciplinary Information Sciences
Online ISSN : 1347-6157
Print ISSN : 1340-9050
ISSN-L : 1340-9050
Spectra of Arithmetic Infinite Graphs and Their Application
Hirofumi NAGOSHI
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2001 年 7 巻 1 号 p. 67-76

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We discuss some properties of certain finite volume infinite graphs defined arithmetically, from a spectral point of view. These graphs are constructed from principal congruence subgroups over function fields and known to be Ramanujan diagrams.
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© 2001 by the Graduate School of Information Sciences (GSIS), Tohoku University

This article is licensed under a Creative Commons [Attribution 4.0 International] license.
https://creativecommons.org/licenses/by/4.0/
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